Communications: radio wave antennas – Antennas – Wave guide type
Patent
1981-09-10
1984-10-23
Lieberman, Eli
Communications: radio wave antennas
Antennas
Wave guide type
343840, H01Q 1919
Patent
active
044791291
ABSTRACT:
Directive antenna or radio telescope systems in which a large aperture objective directs incident electromagnetic energy onto a relatively much smaller field element which in turn directs it upon a small directive feed such as a phased array.
REFERENCES:
patent: 3414904 (1968-12-01), Ajioka
patent: 3877032 (1975-04-01), Rosa et al.
patent: 3914768 (1975-10-01), Ohm
patent: 4284992 (1981-07-01), Gans
patent: 4364052 (1982-12-01), Ohm
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